public ActionResult PrevNextButtons(string courseId, int slideIndex, bool onSolutionsSlide)
{
var course = courseManager.GetCourse(courseId);
var slide = course.Slides[slideIndex];
var userId = User.Identity.GetUserId();
var nextIsAcceptedSolutions = !onSolutionsSlide && slide is ExerciseSlide && visitersRepo.IsSkippedOrPassed(slide.Id, userId);
var visibleUnits = unitsRepo.GetVisibleUnits(courseId, User);
var nextSlide = course.Slides.FirstOrDefault(s => s.Index > slideIndex && visibleUnits.Contains(s.Info.UnitName));
var prevSlide = course.Slides.LastOrDefault(s => s.Index < slideIndex && visibleUnits.Contains(s.Info.UnitName));
var model = new PrevNextButtonsModel(course, slideIndex, nextIsAcceptedSolutions, nextSlide == null ? -1 : nextSlide.Index, prevSlide == null ? -1 : prevSlide.Index);
if (onSolutionsSlide) model.PrevSlideIndex = model.SlideIndex;
return PartialView(model);
}
public ActionResult PrevNextButtons(string courseId, Guid slideId, bool onSolutionsSlide)
{
var course = courseManager.GetCourse(courseId);
var slide = course.GetSlideById(slideId);
var userId = User.Identity.GetUserId();
var nextIsAcceptedSolutions = !onSolutionsSlide && slide is ExerciseSlide && visitsRepo.IsSkippedOrPassed(slide.Id, userId) && !((ExerciseSlide)slide).Exercise.HideShowSolutionsButton;
var visibleUnits = unitsRepo.GetVisibleUnits(courseId, User);
var nextSlide = course.Slides.FirstOrDefault(s => s.Index > slide.Index && visibleUnits.Contains(s.Info.UnitName));
var prevSlide = course.Slides.LastOrDefault(s => s.Index < slide.Index && visibleUnits.Contains(s.Info.UnitName));
var model = new PrevNextButtonsModel(
course,
slide.Id,
nextIsAcceptedSolutions,
nextSlide,
prevSlide,
!User.Identity.IsAuthenticated);
if (onSolutionsSlide) model.PrevSlide = slide;
return PartialView(model);
}